View the Sizing Chart for the Avon Speedmaster MkII

TYRESIZE RECRIM RIM MIN RIM MAX SECTION MM SECTION INS OVRALL MM OVRALL INS DIA MM DIA INS STATIC LOADED RADIUS MM STATIC LOADED RADIUS INS MILES KM
2.75/3.00H19 WM2/1.85 1.6 2.15 78 3.1 78 3.1 641 25.2 308 12.1 832 517
3.25H19 WM3/2.15 1.85 2.5 86 3.4 86 3.4 658 25.9 315 12.4 814 506
3.00H20 WM2/1.85 1.6 2.15 81 3.2 81 3.2 665 26.2 321 12.7 782 485
3.00H21 WM2/1.85 1.6 2.15 79 3.1 79 3.1 692 27.2 331 13 772 480